The graph represents the rate of two machines that fill water barrels. One machine has already filled 30 water barrels before th
e faster machine starts. According to the graph, the two machines will have filled a certain number of water barrels at about the same time. What is that number of barrels?
A) 45 barrels
B) 50 barrels
C) 80 barrels
D) 90 barrels
A) 45 barrels
B) 50 barrels
C) 80 barrels
D) 90 barrels
1 answer:
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Answer:
Step-by-step explanation:
General equations are in the form
So you can add 6 to both sides to make: